公开(公告)号：US11662868B2

公开(公告)日：2023-05-30

申请号：US17488855

申请日：2021-09-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Wooram Oh ,  JeHyung Park ,  Hanbin Lee

IPC: G06F3/044 ,  G06F3/041

CPC classification number: G06F3/0446 ,  G06F3/04166 ,  G06F3/04184 ,  G06F2203/04111

Abstract: The present disclosure relates to a touch display device including a display panel in which a plurality of touch electrode lines including a plurality of X-touch electrode lines extending to a first direction and a plurality of Y-touch electrode lines extending to a second direction, and a plurality of subpixels are disposed; a touch driving circuit for supplying a touch driving signal to the display panel and sensing a touch by detecting a touch sensing signal; at least one or more pseudo touch routing lines disposed along a non-display area of the display panel; and a plurality of pseudo touch electrode lines extending from the at least one or more pseudo touch routing lines and spaced apart from each other at a reference interval.

公开(公告)号：US20230059891A1

公开(公告)日：2023-02-23

申请号：US17893035

申请日：2022-08-22

Applicant: LG Display Co., Ltd.

Inventor： Wooram Oh ,  JeHyung Park ,  KyungSu Ha ,  Dayeong Lee ,  SeungHo Park

IPC: G06F3/044 ,  G06F3/041

Abstract: Embodiments of the present disclosure relate to a touch display device and a display panel. The touch display device comprises a display panel in which a plurality of X-touch electrodes arranged in a first direction are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines are extended to a second direction to transmit a plurality of touch sensing signals; and a touch driving circuit for supplying the plurality of touch driving signals to the plurality of X-touch electrode lines and for sensing a touch by detecting the plurality of touch sensing signals from the plurality of Y-touch electrode lines, wherein a plurality of X-touch lines transmitting the plurality of touch driving signals to the plurality of X-touch electrode lines are extended in the second direction and are alternately connected to the plurality of X-touch electrodes through a plurality of touch contact holes to electrically connect a plurality of X-touch electrodes constituting a same X-touch electrode line.

公开(公告)号：US10134777B2

公开(公告)日：2018-11-20

申请号：US15364218

申请日：2016-11-29

Applicant: LG Display Co., Ltd.

Inventor： JeHyung Park

IPC: H01L29/49 ,  H01L27/12 ,  H01L23/544 ,  H01L29/417 ,  H01L29/423

Abstract: Disclosed is a thin film transistor substrate capable of preventing a circuit from being damaged by static electricity, and a display device including the same, wherein the thin film transistor substrate includes a substrate having a display area for displaying an image, and a non-display area. The circuit is disposed in the non-display area. The circuit includes a first electrode, an insulating film on the first electrode, and a second electrode on the insulating film. An edge of the first electrode facing the display area extends beyond an edge of the second electrode facing the display area.

公开(公告)号：US12069922B2

公开(公告)日：2024-08-20

申请号：US18209963

申请日：2023-06-14

Applicant: LG Display Co., Ltd.

Inventor： JeHyung Park ,  Sangjin Kim

IPC: H10K59/131 ,  G06F3/041 ,  G09G3/3233

CPC classification number: H10K59/1315 ,  G06F3/0412 ,  G09G3/3233 ,  G06F2203/04107 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2354/00

Abstract: The present disclosure relates to a display device. The display device according to an exemplary embodiment of the present disclosure includes a substrate including an active area including a plurality of sub-pixels and a non-active area surrounding the active area; a plurality of transistors disposed in the plurality of sub-pixels, respectively; a plurality of first power supply lines connected to the plurality of sub-pixels; and a plurality of second power supply lines disposed to intersect the plurality of first power supply lines and made of the same material as gate electrodes of the plurality of transistors. Therefore, it is possible to improve the luminance of the display device and suppress the occurrence of mura.

公开(公告)号：US12001639B2

公开(公告)日：2024-06-04

申请号：US17893035

申请日：2022-08-22

Applicant: LG Display Co., Ltd.

Inventor： Wooram Oh ,  JeHyung Park ,  KyungSu Ha ,  Dayeong Lee ,  SeungHo Park

IPC: G06F3/044 ,  G06F3/041 ,  G02F1/1333 ,  H10K59/122 ,  H10K59/40

CPC classification number: G06F3/0446 ,  G06F3/04164 ,  G02F1/13338 ,  G06F3/0412 ,  G06F2203/04111 ,  G06F2203/04112 ,  H10K59/122 ,  H10K59/40

Abstract: Embodiments of the present disclosure relate to a touch display device and a display panel. The touch display device comprises a display panel in which a plurality of X-touch electrodes arranged in a first direction are electrically connected to form a X-touch electrode line and a plurality of X-touch electrode lines arranged in parallel to receive a plurality of touch driving signals, and a plurality of Y-touch electrode lines are extended to a second direction to transmit a plurality of touch sensing signals; and a touch driving circuit for supplying the plurality of touch driving signals to the plurality of X-touch electrode lines and for sensing a touch by detecting the plurality of touch sensing signals from the plurality of Y-touch electrode lines, wherein a plurality of X-touch lines transmitting the plurality of touch driving signals to the plurality of X-touch electrode lines are extended in the second direction and are alternately connected to the plurality of X-touch electrodes through a plurality of touch contact holes to electrically connect a plurality of X-touch electrodes constituting a same X-touch electrode line.

公开(公告)号：US20220171498A1

公开(公告)日：2022-06-02

申请号：US17488855

申请日：2021-09-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Wooram OH ,  JeHyung Park ,  Hanbin Lee

IPC: G06F3/044 ,  G06F3/041

Abstract: The present disclosure relates to a touch display device including a display panel in which a plurality of touch electrode lines including a plurality of X-touch electrode lines extending to a first direction and a plurality of Y-touch electrode lines extending to a second direction, and a plurality of subpixels are disposed; a touch driving circuit for supplying a touch driving signal to the display panel and sensing a touch by detecting a touch sensing signal; at least one or more pseudo touch routing lines disposed along a non-display area of the display panel; and a plurality of pseudo touch electrode lines extending from the at least one or more pseudo touch routing lines and spaced apart from each other at a reference interval.